| | Return From Keyword If | '${framesize}' == 'IMIX_v4_1' | ${353.83333}
| | Return From Keyword | ${framesize}
-| Find NDR using linear search and pps
-| | [Documentation]
-| | ... | Find throughput by using RFC2544 linear search with non drop rate.
-| | ...
-| | ... | *Arguments:*
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - start_rate - Initial start rate [pps]. Type: float
-| | ... | - step_rate - Step of linear search [pps]. Type: float
-| | ... | - topology_type - Topology type. Type: string
-| | ... | - min_rate - Lower limit of search [pps]. Type: float
-| | ... | - max_rate - Upper limit of search [pps]. Type: float
-| | ...
-| | ... | *Return:*
-| | ... | - No value returned
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Find NDR using linear search and pps \| 64 \| 5000000 \
-| | ... | \| 100000 \| 3-node-IPv4 \| 100000 \| 14880952 \|
-| | ...
-| | [Arguments] | ${framesize} | ${start_rate} | ${step_rate}
-| | ... | ${topology_type} | ${min_rate} | ${max_rate}
-| | ...
-| | ${duration}= | Set Variable | ${perf_trial_duration}
-| | Set Duration | ${duration}
-| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
-| | Set Search Linear Step | ${step_rate}
-| | Set Search Frame Size | ${framesize}
-| | Set Search Rate Type pps
-| | Linear Search | ${start_rate} | ${topology_type}
-| | ${rate_per_stream} | ${lat}= | Verify Search Result
-| | ${tmp}= | Create List | 100%NDR | ${lat}
-| | ${latency}= | Create List | ${tmp}
-| | ${rate_50p}= | Evaluate | int(${rate_per_stream}*0.5)
-| | ${lat_50p}= | Measure latency pps | ${duration} | ${rate_50p}
-| | ... | ${framesize} | ${topology_type}
-| | ${tmp}= | Create List | 50%NDR | ${lat_50p}
-| | Append To List | ${latency} | ${tmp}
-| | ${rate_10p}= | Evaluate | int(${rate_per_stream}*0.1)
-| | ${lat_10p}= | Measure latency pps | ${duration} | ${rate_10p}
-| | ... | ${framesize} | ${topology_type}
-| | ${tmp}= | Create List | 10%NDR | ${lat_10p}
-| | Append To List | ${latency} | ${tmp}
-| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
-| | ... | ${latency}
-| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
-| | ... | ${framesize} | ${topology_type} | fail_on_loss=${False}
-
-| Find PDR using linear search and pps
-| | [Documentation]
-| | ... | Find throughput by using RFC2544 linear search with partial drop rate
-| | ... | with PDR threshold and type specified by parameter.
-| | ...
-| | ... | *Arguments:*
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - start_rate - Initial start rate [pps]. Type: float
-| | ... | - step_rate - Step of linear search [pps]. Type: float
-| | ... | - topology_type - Topology type. Type: string
-| | ... | - min_rate - Lower limit of search [pps]. Type: float
-| | ... | - max_rate - Upper limit of search [pps]. Type: float
-| | ... | - loss_acceptance - Accepted loss during search. Type: float
-| | ... | - loss_acceptance_type - Percentage or frames. Type: string
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Find PDR using linear search and pps \| 64 \| 5000000 \
-| | ... | \| 100000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 0.5 \| percentage \|
-| | ...
-| | [Arguments] | ${framesize} | ${start_rate} | ${step_rate}
-| | ... | ${topology_type} | ${min_rate} | ${max_rate}
-| | ... | ${loss_acceptance}=0 | ${loss_acceptance_type}='frames'
-| | ...
-| | ${duration}= | Set Variable | ${perf_trial_duration}
-| | Set Duration | ${duration}
-| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
-| | Set Search Linear Step | ${step_rate}
-| | Set Search Frame Size | ${framesize}
-| | Set Search Rate Type pps
-| | Set Loss Acceptance | ${loss_acceptance}
-| | Run Keyword If | '${loss_acceptance_type}' == 'percentage'
-| | ... | Set Loss Acceptance Type Percentage
-| | Linear Search | ${start_rate} | ${topology_type}
-| | ${rate_per_stream} | ${lat}= | Verify Search Result
-| | ${tmp}= | Create List | 100%PDR | ${lat}
-| | ${latency}= | Create List | ${tmp}
-| | Display result of PDR search | ${rate_per_stream} | ${framesize} | 2
-| | ... | ${loss_acceptance} | ${loss_acceptance_type} | ${latency}
-| | Traffic should pass with partial loss | ${duration} | ${rate_per_stream}pps
-| | ... | ${framesize} | ${topology_type} | ${loss_acceptance}
-| | ... | ${loss_acceptance_type} | fail_on_loss=${False}
-
-| Find NDR using binary search and pps
-| | [Documentation]
-| | ... | Find throughput by using RFC2544 binary search with non drop rate.
-| | ...
-| | ... | *Arguments:*
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - binary_min - Lower boundary of search [pps]. Type: float
-| | ... | - binary_max - Upper boundary of search [pps]. Type: float
-| | ... | - topology_type - Topology type. Type: string
-| | ... | - min_rate - Lower limit of search [pps]. Type: float
-| | ... | - max_rate - Upper limit of search [pps]. Type: float
-| | ... | - threshold - Threshold to stop search [pps]. Type: integer
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Find NDR using binary search and pps \| 64 \| 6000000 \
-| | ... | \| 12000000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 50000 \|
-| | ...
-| | [Arguments] | ${framesize} | ${binary_min} | ${binary_max}
-| | ... | ${topology_type} | ${min_rate} | ${max_rate} | ${threshold}
-| | ...
-| | ${duration}= | Set Variable | ${perf_trial_duration}
-| | Set Duration | ${duration}
-| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
-| | Set Search Frame Size | ${framesize}
-| | Set Search Rate Type pps
-| | Set Binary Convergence Threshold | ${threshold}
-| | Binary Search | ${binary_min} | ${binary_max} | ${topology_type}
-| | ${rate_per_stream} | ${lat}= | Verify Search Result
-| | ${tmp}= | Create List | 100%NDR | ${lat}
-| | ${latency}= | Create List | ${tmp}
-| | ${rate_50p}= | Evaluate | int(${rate_per_stream}*0.5)
-| | ${lat_50p}= | Measure latency pps | ${duration} | ${rate_50p}
-| | ... | ${framesize} | ${topology_type}
-| | ${tmp}= | Create List | 50%NDR | ${lat_50p}
-| | Append To List | ${latency} | ${tmp}
-| | ${rate_10p}= | Evaluate | int(${rate_per_stream}*0.1)
-| | ${lat_10p}= | Measure latency pps | ${duration} | ${rate_10p}
-| | ... | ${framesize} | ${topology_type}
-| | ${tmp}= | Create List | 10%NDR | ${lat_10p}
-| | Append To List | ${latency} | ${tmp}
-| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
-| | ... | ${latency}
-| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
-| | ... | ${framesize} | ${topology_type} | fail_on_loss=${False}
-
-| Find PDR using binary search and pps
-| | [Documentation]
-| | ... | Find throughput by using RFC2544 binary search with partial drop rate
-| | ... | with PDR threshold and type specified by parameter.
-| | ...
-| | ... | *Arguments:*
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - binary_min - Lower boundary of search [pps]. Type: float
-| | ... | - binary_max - Upper boundary of search [pps]. Type: float
-| | ... | - topology_type - Topology type. Type: string
-| | ... | - min_rate - Lower limit of search [pps]. Type: float
-| | ... | - max_rate - Upper limit of search [pps]. Type: float
-| | ... | - threshold - Threshold to stop search [pps]. Type: integer
-| | ... | - loss_acceptance - Accepted loss during search. Type: float
-| | ... | - loss_acceptance_type - Percentage or frames. Type: string
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Find PDR using binary search and pps \| 64 \| 6000000 \
-| | ... | \| 12000000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 50000 \| 0.5 \
-| | ... | \| percentage \|
-| | ...
-| | [Arguments] | ${framesize} | ${binary_min} | ${binary_max}
-| | ... | ${topology_type} | ${min_rate} | ${max_rate} | ${threshold}
-| | ... | ${loss_acceptance}=0 | ${loss_acceptance_type}='frames'
-| | ...
-| | ${duration}= | Set Variable | ${perf_trial_duration}
-| | Set Duration | ${duration}
-| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
-| | Set Search Frame Size | ${framesize}
-| | Set Search Rate Type pps
-| | Set Loss Acceptance | ${loss_acceptance}
-| | Run Keyword If | '${loss_acceptance_type}' == 'percentage'
-| | ... | Set Loss Acceptance Type Percentage
-| | Set Binary Convergence Threshold | ${threshold}
-| | Binary Search | ${binary_min} | ${binary_max} | ${topology_type}
-| | ${rate_per_stream} | ${lat}= | Verify Search Result
-| | ${tmp}= | Create List | 100%PDR | ${lat}
-| | ${latency}= | Create List | ${tmp}
-| | Display result of PDR search | ${rate_per_stream} | ${framesize} | 2
-| | ... | ${loss_acceptance} | ${loss_acceptance_type} | ${latency}
-| | Traffic should pass with partial loss | ${duration} | ${rate_per_stream}pps
-| | ... | ${framesize} | ${topology_type} | ${loss_acceptance}
-| | ... | ${loss_acceptance_type} | fail_on_loss=${False}
-
-| Find NDR using combined search and pps
-| | [Documentation]
-| | ... | Find throughput by using RFC2544 combined search (linear+binary) with
-| | ... | non drop rate.
-| | ...
-| | ... | *Arguments:*
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - start_rate - Initial start rate [pps]. Type: float
-| | ... | - step_rate - Step of linear search [pps]. Type: float
-| | ... | - topology_type - Topology type. Type: string
-| | ... | - min_rate - Lower limit of search [pps]. Type: float
-| | ... | - max_rate - Upper limit of search [pps]. Type: float
-| | ... | - threshold - Threshold to stop search [pps]. Type: integer
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Find NDR using combined search and pps \| 64 \| 5000000 \
-| | ... | \| 100000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 5000 \|
-| | ...
-| | [Arguments] | ${framesize} | ${start_rate} | ${step_rate}
-| | ... | ${topology_type} | ${min_rate} | ${max_rate} | ${threshold}
-| | ...
-| | ${duration}= | Set Variable | ${perf_trial_duration}
-| | Set Duration | ${duration}
-| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
-| | Set Search Linear Step | ${step_rate}
-| | Set Search Frame Size | ${framesize}
-| | Set Search Rate Type pps
-| | Set Binary Convergence Threshold | ${threshold}
-| | Combined Search | ${start_rate} | ${topology_type}
-| | ${rate_per_stream} | ${lat}= | Verify Search Result
-| | ${tmp}= | Create List | 100%NDR | ${lat}
-| | ${latency}= | Create List | ${tmp}
-| | ${rate_50p}= | Evaluate | int(${rate_per_stream}*0.5)
-| | ${lat_50p}= | Measure latency pps | ${duration} | ${rate_50p}
-| | ... | ${framesize} | ${topology_type}
-| | ${tmp}= | Create List | 50%NDR | ${lat_50p}
-| | Append To List | ${latency} | ${tmp}
-| | ${rate_10p}= | Evaluate | int(${rate_per_stream}*0.1)
-| | ${lat_10p}= | Measure latency pps | ${duration} | ${rate_10p}
-| | ... | ${framesize} | ${topology_type}
-| | ${tmp}= | Create List | 10%NDR | ${lat_10p}
-| | Append To List | ${latency} | ${tmp}
-| | Display result of NDR search | ${rate_per_stream} | ${framesize} | 2
-| | ... | ${latency}
-| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
-| | ... | ${framesize} | ${topology_type}
-| | ... | fail_on_loss=${False}
-
-| Find PDR using combined search and pps
-| | [Documentation]
-| | ... | Find throughput by using RFC2544 combined search (linear+binary) with
-| | ... | partial drop rate with PDR threshold and type specified by parameter.
-| | ...
-| | ... | *Arguments:*
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - start_rate - Initial start rate [pps]. Type: float
-| | ... | - step_rate - Step of linear search [pps]. Type: float
-| | ... | - topology_type - Topology type. Type: string
-| | ... | - min_rate - Lower limit of search [pps]. Type: float
-| | ... | - max_rate - Upper limit of search [pps]. Type: float
-| | ... | - threshold - Threshold to stop search [pps]. Type: integer
-| | ... | - loss_acceptance - Accepted loss during search. Type: float
-| | ... | - loss_acceptance_type - Percentage or frames. Type: string
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Find PDR using combined search and pps \| 64 \| 5000000 \
-| | ... | \| 100000 \| 3-node-IPv4 \| 100000 \| 14880952 \| 5000 \| 0.5 \
-| | ... | \| percentage \|
-| | ...
-| | [Arguments] | ${framesize} | ${start_rate} | ${step_rate}
-| | ... | ${topology_type} | ${min_rate} | ${max_rate} | ${threshold}
-| | ... | ${loss_acceptance}=0 | ${loss_acceptance_type}='frames'
-| | ...
-| | ${duration}= | Set Variable | ${perf_trial_duration}
-| | Set Duration | ${duration}
-| | Set Search Rate Boundaries | ${max_rate} | ${min_rate}
-| | Set Search Linear Step | ${step_rate}
-| | Set Search Frame Size | ${framesize}
-| | Set Search Rate Type pps
-| | Set Loss Acceptance | ${loss_acceptance}
-| | Run Keyword If | '${loss_acceptance_type}' == 'percentage'
-| | ... | Set Loss Acceptance Type Percentage
-| | Set Binary Convergence Threshold | ${threshold}
-| | Combined Search | ${start_rate} | ${topology_type}
-| | ${rate_per_stream} | ${lat}= | Verify Search Result
-| | ${tmp}= | Create List | 100%PDR | ${lat}
-| | ${latency}= | Create List | ${tmp}
-| | Display result of PDR search | ${rate_per_stream} | ${framesize} | 2
-| | ... | ${loss_acceptance} | ${loss_acceptance_type} | ${latency}
-| | Traffic should pass with partial loss | ${duration} | ${rate_per_stream}pps
-| | ... | ${framesize} | ${topology_type} | ${loss_acceptance}
-| | ... | ${loss_acceptance_type} | fail_on_loss=${False}
-
| Find NDR and PDR intervals using optimized search
| | [Documentation]
| | ... | Find boundaries for RFC2544 compatible NDR and PDR values
| | Perform additional measurements based on NDRPDR result
| | ... | ${result} | ${frame_size} | ${topology_type}
+| Find critical load using PLRsearch
+| | [Documentation]
+| | ... | Find boundaries for troughput (of given target loss ratio)
+| | ... | using PLRsearch algorithm.
+| | ... | Display results as formatted test message.
+| | ... | Fail if computed lower bound is below minimal rate.
+| | ... | Input rates are understood as uni-directional,
+| | ... | reported result contains bi-directional rates.
+| | ... | TODO: Any additional measurements for debug purposes?
+| | ...
+| | ... | *Arguments:*
+| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: int or str
+| | ... | - topology_type - Topology type. Type: string
+| | ... | - minimum_transmit_rate - Lower limit of search [pps]. Type: float
+| | ... | - maximum_transmit_rate - Upper limit of search [pps]. Type: float
+| | ... | - packet_loss_ratio - Accepted loss during search. Type: float
+| | ... | - timeout - Stop when search duration is longer [s]. Type: float
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Find critical load usingPLR search \| \${64} \| \
+| | ... | 3-node-IPv4 \| \${100000} \| \${14880952} \| \${1e-7} \| \${1800} \
+| | ...
+| | [Arguments] | ${frame_size} | ${topology_type} | ${minimum_transmit_rate}
+| | ... | ${maximum_transmit_rate} | ${packet_loss_ratio}=${1e-7}
+| | ... | ${timeout}=${1800.0}
+| | ...
+| | ${min_rate} = | Set Variable | ${minimum_transmit_rate*2}
+| | ${average} | ${stdev} = | Perform soak search | ${frame_size}
+| | ... | ${topology_type} | ${min_rate} | ${maximum_transmit_rate*2}
+| | ... | ${packet_loss_ratio} | timeout=${timeout}
+| | ${lower} | ${upper} = | Display result of soak search
+| | ... | ${average} | ${stdev} | ${frame_size}
+| | Should Not Be True | ${lower} < ${min_rate}
+| | ... | Lower bound ${lower} is below bidirectional minimum ${min_rate}.
+
| Display single bound
| | [Documentation]
| | ... | Display one bound of NDR+PDR search,
| | ...
| | [Arguments] | ${text} | ${rate_total} | ${framesize} | ${latency}=${EMPTY}
| | ...
-| | ${bandwidth_total}= | Evaluate | ${rate_total}*(${framesize}+20)*8/(10**9)
+| | ${bandwidth_total} = | Evaluate | ${rate_total} * (${framesize}+20)*8 / 1e9
| | Set Test Message | ${\n}${text}: ${rate_total} pps, | append=yes
| | Set Test Message | ${bandwidth_total} Gbps (untagged) | append=yes
| | Return From Keyword If | not """${latency}"""
| | ...
| | [Arguments] | ${result} | ${framesize}
| | ...
-| | ${framesize}= | Get Frame Size | ${framesize}
+| | ${framesize} = | Get Frame Size | ${framesize}
| | Display single bound | NDR_LOWER
| | ... | ${result.ndr_interval.measured_low.transmit_rate} | ${framesize}
| | ... | ${result.ndr_interval.measured_low.latency}
| | Display single bound | PDR_UPPER
| | ... | ${result.pdr_interval.measured_high.transmit_rate} | ${framesize}
+| Display result of soak search
+| | [Documentation]
+| | ... | Display result of soak search, avg+-stdev, as upper/lower bounds,
+| | ... | in packet per seconds (total and per stream)
+| | ... | and Gbps total bandwidth with untagged packet.
+| | ... | Througput is calculated as:
+| | ... | Measured rate per stream * Total number of streams
+| | ... | Bandwidth is calculated as:
+| | ... | (Throughput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC
+| | ... | TODO: Do we want to report some latency data,
+| | ... | even if not measured at the reported bounds?.
+| | ...
+| | ... | *Arguments:*
+| | ... | - avg - Estimated average critical load [pps]. Type: float
+| | ... | - stdev - Standard deviation of critical load [pps]. Type: float
+| | ... | - framesize - L2 Frame Size [B]. Type: integer
+| | ...
+| | ... | *Returns:*
+| | ... | - Lower and upper bound of critical load [pps]. Type: 2-tuple of float
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Display result of soak search \| \${100000} \| \${100} \| \${64} \|
+| | ...
+| | [Arguments] | ${avg} | ${stdev} | ${framesize}
+| | ...
+| | ${framesize} = | Get Frame Size | ${framesize}
+| | ${avg} = | Convert To Number | ${avg}
+| | ${stdev} = | Convert To Number | ${stdev}
+| | ${lower} = | Evaluate | ${avg} - ${stdev}
+| | ${upper} = | Evaluate | ${avg} + ${stdev}
+| | Display single bound | PLRsearch lower bound: | ${lower} | ${framesize}
+| | Display single bound | PLRsearch upper bound: | ${upper} | ${framesize}
+| | Return From Keyword | ${lower} | ${upper}
+
| Check NDRPDR interval validity
| | [Documentation]
| | ... | Extract loss ratio of lower bound of the interval.
| | Traffic should pass with no loss | ${duration} | ${rate_per_stream}pps
| | ... | ${framesize} | ${topology_type} | fail_on_loss=${False}
-| Display result of NDR search
-| | [Documentation]
-| | ... | Display result of NDR search in packet per seconds (total and per
-| | ... | stream) and Gbps total bandwidth with untagged packet.
-| | ... | Througput is calculated as:
-| | ... | Measured rate per stream * Total number of streams
-| | ... | Bandwidth is calculated as:
-| | ... | (Throughput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC
-| | ...
-| | ... | *Arguments:*
-| | ... | - rate_per_stream - Measured rate per stream [pps]. Type: string
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - nr_streams - Total number of streams. Type: integer
-| | ... | - latency - Latency stats. Type: dictionary
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Display result of NDR search \| 4400000 \| 64 \| 2 \
-| | ... | \| [100%NDR, [10/10/10, 1/2/3]] \|
-| | ...
-| | [Arguments] | ${rate_per_stream} | ${framesize} | ${nr_streams} | ${latency}
-| | ...
-| | ${framesize}= | Get Frame Size | ${framesize}
-| | ${rate_total}= | Evaluate | ${rate_per_stream}*${nr_streams}
-| | ${bandwidth_total}= | Evaluate | ${rate_total}*(${framesize}+20)*8/(10**9)
-| | Set Test Message | FINAL_RATE: ${rate_total} pps
-| | Set Test Message | (${nr_streams}x ${rate_per_stream} pps) | append=yes
-| | Set Test Message | ${\n}FINAL_BANDWIDTH: ${bandwidth_total} Gbps (untagged)
-| | ... | append=yes
-| | Set Test Message | ${\n}LATENCY usec [min/avg/max] | append=yes
-| | :FOR | ${lat} | IN | @{latency}
-| | | Set Test Message | ${\n}LAT_${lat[0]}: ${lat[1]} | append=yes
-
-| Display result of PDR search
-| | [Documentation]
-| | ... | Display result of PDR search in packet per seconds (total and per
-| | ... | stream) and Gbps total bandwidth with untagged packet.
-| | ... | Througput is calculated as:
-| | ... | Measured rate per stream * Total number of streams
-| | ... | Bandwidth is calculated as:
-| | ... | (Throughput * (L2 Frame Size + IPG) * 8) / Max bitrate of NIC
-| | ...
-| | ... | *Arguments:*
-| | ... | - rate_per_stream - Measured rate per stream [pps]. Type: string
-| | ... | - framesize - L2 Frame Size [B]. Type: integer
-| | ... | - nr_streams - Total number of streams. Type: integer
-| | ... | - loss_acceptance - Accepted loss during search. Type: float
-| | ... | - loss_acceptance_type - Percentage or frames. Type: string
-| | ... | - latency - Latency stats. Type: dictionary
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Display result of PDR search \| 4400000 \| 64 \| 2 \| 0.5 \
-| | ... | \| percentage \| [100%NDR, [10/10/10, 1/2/3]] \|
-| | ...
-| | [Arguments] | ${rate_per_stream} | ${framesize} | ${nr_streams}
-| | ... | ${loss_acceptance} | ${loss_acceptance_type} | ${latency}
-| | ...
-| | ${framesize}= | Get Frame Size | ${framesize}
-| | ${rate_total}= | Evaluate | ${rate_per_stream}*${nr_streams}
-| | ${bandwidth_total}= | Evaluate | ${rate_total}*(${framesize}+20)*8/(10**9)
-| | Set Test Message | FINAL_RATE: ${rate_total} pps
-| | Set Test Message | (${nr_streams}x ${rate_per_stream} pps) | append=yes
-| | Set Test Message | ${\n}FINAL_BANDWIDTH: ${bandwidth_total} Gbps (untagged)
-| | ... | append=yes
-| | Set Test Message | ${\n}LATENCY usec [min/avg/max] | append=yes
-| | :FOR | ${lat} | IN | @{latency}
-| | | Set Test Message | ${\n}LAT_${lat[0]}: ${lat[1]} | append=yes
-| | Set Test Message
-| | ... | ${\n}LOSS_ACCEPTANCE: ${loss_acceptance} ${loss_acceptance_type}
-| | ... | append=yes
-
| Measure latency pps
| | [Documentation]
| | ... | Send traffic at specified rate. Measure min/avg/max latency
| | ... | ${topology_type}
| | Run Keyword If | ${fail_on_loss} | No traffic loss occurred
-| Traffic should pass with partial loss
-| | [Documentation]
-| | ... | Send traffic at specified rate. Partial packet loss is accepted
-| | ... | within loss acceptance value specified as argument.
-| | ...
-| | ... | *Arguments:*
-| | ... | - duration - Duration of traffic run [s]. Type: integer
-| | ... | - rate - Rate for sending packets. Type: string
-| | ... | - framesize - L2 Frame Size [B] or IMIX_v4_1. Type: integer/string
-| | ... | - topology_type - Topology type. Type: string
-| | ... | - loss_acceptance - Accepted loss during search. Type: float
-| | ... | - loss_acceptance_type - Percentage or frames. Type: string
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Traffic should pass with partial loss \| 10 \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \| 0.5 \| percentage \|
-| | ...
-| | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
-| | ... | ${loss_acceptance} | ${loss_acceptance_type}
-| | ... | ${fail_on_loss}=${True}
-| | ...
-| | Send traffic at specified rate | ${duration} | ${rate} | ${framesize}
-| | ... | ${topology_type}
-| | Run Keyword If | ${fail_on_loss} | Partial traffic loss accepted
-| | ... | ${loss_acceptance} | ${loss_acceptance_type}
-
| Traffic should pass with maximum rate
| | [Documentation]
| | ... | Send traffic at maximum rate.
| | ... | - rate - Rate for sending packets. Type: string
| | ... | - framesize - L2 Frame Size [B] or IMIX_v4_1. Type: integer/string
| | ... | - topology_type - Topology type. Type: string
+| | ... | - unidirection - False if traffic is bidirectional. Type: boolean
+| | ... | - tx_port - TX port of TG, default 0. Type: integer
+| | ... | - rx_port - RX port of TG, default 1. Type: integer
| | ... | - subsamples - How many trials in this measurement. Type:int
| | ... | - trial_duration - Duration of single trial [s]. Type: float
| | ... | - fail_no_traffic - Whether to fail on zero receive count. Type: boolean
| | ... | *Example:*
| | ...
| | ... | \| Traffic should pass with maximum rate \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \| ${1} \| ${10.0} | ${False} \|
+| | ... | \| 3-node-IPv4 \| ${False} \| ${0} | ${1} \|
+| | ... | \| ${1} \| ${10.0} \| ${False} \|
| | ...
| | [Arguments] | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${unidirection}=${False} | ${tx_port}=${0} | ${rx_port}=${1}
| | ... | ${trial_duration}=${perf_trial_duration} | ${fail_no_traffic}=${True}
| | ... | ${subsamples}=${perf_trial_multiplicity}
| | ...
| | ${results} = | Send traffic at specified rate | ${trial_duration} | ${rate}
-| | ... | ${framesize} | ${topology_type} | ${subsamples}
+| | ... | ${framesize} | ${topology_type} | ${unidirection}
+| | ... | ${tx_port} | ${rx_port} | ${subsamples}
| | Set Test Message | ${\n}Maximum Receive Rate trial results
| | Set Test Message | in packets per second: ${results}
| | ... | append=yes
| | ... | - rate - Rate for sending packets. Type: string
| | ... | - framesize - L2 Frame Size [B]. Type: integer/string
| | ... | - topology_type - Topology type. Type: string
+| | ... | - unidirection - False if traffic is bidirectional. Type: boolean
+| | ... | - tx_port - TX port of TG, default 0. Type: integer
+| | ... | - rx_port - RX port of TG, default 1. Type: integer
| | ... | - subsamples - How many trials in this measurement. Type: int
| | ...
| | ... | *Example:*
| | ...
| | ... | \| Send traffic at specified rate \| ${1.0} \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \| ${10} \|
+| | ... | \| 3-node-IPv4 \| ${False} \| ${0} | ${1} \| ${10} \|
| | ...
| | [Arguments] | ${trial_duration} | ${rate} | ${framesize}
-| | ... | ${topology_type} | ${subsamples}=${1}
+| | ... | ${topology_type} | ${unidirection}=${False} | ${tx_port}=${0}
+| | ... | ${rx_port}=${1} | ${subsamples}=${1}
| | ...
| | Clear and show runtime counters with running traffic | ${trial_duration}
| | ... | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${unidirection} | ${tx_port} | ${rx_port}
| | Run Keyword If | ${dut_stats}==${True} | Clear all counters on all DUTs
| | Run Keyword If | ${dut_stats}==${True} and ${pkt_trace}==${True}
| | ... | VPP Enable Traces On All DUTs | ${nodes}
| | ${results} = | Create List
| | :FOR | ${i} | IN RANGE | ${subsamples}
| | | Send traffic on tg | ${trial_duration} | ${rate} | ${framesize}
-| | | ... | ${topology_type} | warmup_time=0
+| | | ... | ${topology_type} | ${unidirection} | ${tx_port}
+| | | ... | ${rx_port} | warmup_time=0
| | | ${rx} = | Get Received
| | | ${rr} = | Evaluate | ${rx} / ${trial_duration}
| | | Append To List | ${results} | ${rr}
| | ... | - rate - Rate for sending packets. Type: string
| | ... | - framesize - L2 Frame Size [B] or IMIX_v4_1. Type: integer/string
| | ... | - topology_type - Topology type. Type: string
+| | ... | - unidirection - False if traffic is bidirectional. Type: boolean
+| | ... | - tx_port - TX port of TG, default 0. Type: integer
+| | ... | - rx_port - RX port of TG, default 1. Type: integer
| | ...
| | ... | *Example:*
| | ...
-| | ... | \| Traffic should pass with partial loss \| 10 \| 4.0mpps \| 64 \
-| | ... | \| 3-node-IPv4 \| 0.5 \| percentage \|
+| | ... | \| Clear and show runtime counters with running traffic \| 10 \
+| | ... | \| 4.0mpps \| 64 \| 3-node-IPv4 \| ${False} \| ${0} | ${1} \|
| | ...
| | [Arguments] | ${duration} | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${unidirection}=${False} | ${tx_port}=${0} | ${rx_port}=${1}
| | ...
| | Send traffic on tg | -1 | ${rate} | ${framesize} | ${topology_type}
+| | ... | ${unidirection} | ${tx_port} | ${rx_port}
| | ... | warmup_time=0 | async_call=${True} | latency=${False}
| | Run Keyword If | ${dut_stats}==${True}
| | ... | Clear runtime counters on all DUTs | ${nodes}
| | Run Keyword If | ${dut_stats}==${True}
| | ... | Show runtime counters on all DUTs | ${nodes}
| | Stop traffic on tg
+
+| Create network function CPU list
+| | [Documentation]
+| | ... | Create list of CPUs allocated for network function base on SUT/DUT
+| | ... | placement and other network functions placement.
+| | ...
+| | ... | *Arguments:*
+| | ... | - dut - DUT node. Type: dictionary
+| | ... | - chains: Total number of chains. Type: integer
+| | ... | - nodeness: Total number of nodes per chain. Type: integer
+| | ... | - chain_id - Network function chain ID. Type: integer
+| | ... | - node_id - Network function node ID within chain. Type: integer
+| | ... | - mtcr - Main thread to core ratio. Type: integer
+| | ... | - dtcr - Dataplane thread to core ratio. Type: integer
+| | ... | - auto_scale - If True, use same amount of Dataplane threads for
+| | ... | network function as DUT, otherwise use single physical core for
+| | ... | every network function. Type: boolean
+| | ...
+| | ... | *Note:*
+| | ... | KW uses test variables \${cpu_count_int} set by
+| | ... | "Add worker threads and rxqueues to all DUTs"
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Create network function CPU list \| ${nodes['DUT1']} \
+| | ... | \| 1 \| 1 \| 1 \| 1 \|
+| | ...
+| | [Arguments] | ${dut} | ${chains}=${1} | ${nodeness}=${1} | ${chain_id}=${1}
+| | ... | ${node_id}=${1} | ${mtcr}=${2} | ${dtcr}=${1} | ${auto_scale}=${False}
+| | ...
+| | ${sut_sc}= | Set Variable | ${1}
+| | ${dut_mc}= | Set Variable | ${1}
+| | ${dut_dc}= | Set Variable | ${cpu_count_int}
+| | ${skip}= | Evaluate | ${sut_sc} + ${dut_mc} + ${dut_dc}
+| | ${dtc}= | Set Variable If | ${auto_scale} | ${cpu_count_int} | ${1}
+| | ${if1_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${${dut}_if1}
+| | @{if_list}= | Run Keyword If | '${if1_status}' == 'PASS'
+| | ... | Create List | ${${dut}_if1}
+| | ... | ELSE | Create List | ${${dut}_if1_1} | ${${dut}_if1_2}
+| | ${if2_status} | ${value}= | Run Keyword And Ignore Error
+| | ... | Variable Should Exist | ${${dut}_if2}
+| | Run Keyword If | '${if2_status}' == 'PASS'
+| | ... | Append To List | ${if_list} | ${${dut}_if2}
+| | ... | ELSE | Append To List | ${if_list} | ${${dut}_if2_1} | ${${dut}_if2_2}
+| | ${dut_numa}= | Get interfaces numa node | ${nodes['${dut}']} | @{if_list}
+| | ${nf_cpus}= | Cpu slice of list for NF | node=${nodes['${dut}']}
+| | ... | cpu_node=${dut_numa} | chains=${chains} | nodeness=${nodeness}
+| | ... | chain_id=${chain_id} | node_id=${node_id} | mtcr=${mtcr}
+| | ... | dtcr=${dtcr} | dtc=${dtc} | skip_cnt=${skip}
+| | Return From Keyword | ${nf_cpus}
Code Review / csit.git / blobdiff